Table 1.

Summary of Metadata for 19 Marine Cyanobacteria Used in This Study

Genome	Isolation Location, Depth (m)a	Number of ORFs	Cladeb	GC Content, %
Prochlorococcus marinus strain MIT 9312	Gulf Stream, 135	1,809	HL, II	31.2
Prochlorococcus marinus strain MIT 9313	Gulf Stream, 135	2,265	LL, IV	50.7
Prochlorococcus marinus strain MIT 9303	Sargasso Sea, 100	2,997	LL, IV	50.0
Prochlorococcus marinus strain MIT 9515	Equatorial Pacific, 15	1,906	HL, I	30.8
Prochlorococcus marinus strain AS9601	Arabian Sea, 50	1,921	HL, II	31.3
Prochlorococcus marinus strain NATL1A	North Atlantic, 30	2,193	LL, I	35.0
Prochlorococcus marinus strain NATL2A	North Atlantic, 10	1,890	LL, I	35.1
Prochlorococcus marinus strain CCMP1375	Sargasso Sea, 120	1,882	LL, II	36.4
Prochlorococcus marinus strain CCMP1986	Mediterranean Sea, 5	1,712	HL, I	30.8
Prochlorococcus marinus strain MIT 9301	Sargasso Sea, 90	1,907	HL, II	31.3
Prochlorococcus marinus strain MIT 9211	Equatorial Pacific, 83	1,855	LL, III	39.7
Prochlorococcus marinus strain MIT 9215	Equatorial Pacific, 0	1,983	HL, II	31.1
Synechococcus sp. WH8102	Western Carribean, open ocean strain	2,517	Marine A III	59.4
Synechococcus sp. CC9605	Off the coast of California	2,638	Marine A	59.2
Synechococcus sp. CC9902	Coastal seawater (off California)	2,304	Marine A	54.2
Synechococcus sp. CC9311	Edge of California Current, coastal strain	2,892	Marine A	52.4
Synechococcus sp. RCC307	Mediterranean Sea, 15	2,535	Marine A	60.8
Synechococcus sp. WH7803	Sargasso Sea	2,533	Marine A V	60.2
Synechococcus sp. PCC7002	Maguyes Island, Puerto Rico	2,823	Cluster 3	49.6

NOTE.—HL, high-light adapted ecotype; LL, low-light adapted ecotype.

^aBased on results reported in Rocap et al. (2002) and information from NCBI Genomes Web page.

^bClades are according to phylogenetic relationships inferred from 233 positions of the 16S–23S rRNA ITS region (Rocap et al. 2002).